Lack of lung sliding strongly suggest pneumothorax
Differential: pneumothorax, pleurodesis, lung consolidation, atelectasis, Right mainstem intubation
Presence of lung sliding rules out pneumothorax at that rib space

US Clip with NO Lung Sliding from PACCMUS on Vimeo.

Lung point: the rib space where lung sliding starts/stops
The edge of the pneumothorax
Outline the perimeter of the pneumothorax for safe aspiration

US Clip Lung Point from PACCMUS on Vimeo.